src/soc/intel/skylake/i2c.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <device/device.h>
   4 #include <intelblocks/cfg.h>
   5 #include <drivers/i2c/designware/dw_i2c.h>
   6 #include <soc/pci_devs.h>
   7
   8 int dw_i2c_soc_devfn_to_bus(unsigned int devfn)
   9 {
  10         switch (devfn) {
  11         case PCH_DEVFN_I2C0:
  12                 return 0;
  13         case PCH_DEVFN_I2C1:
  14                 return 1;
  15         case PCH_DEVFN_I2C2:
  16                 return 2;
  17         case PCH_DEVFN_I2C3:
  18                 return 3;
  19         case PCH_DEVFN_I2C4:
  20                 return 4;
  21         case PCH_DEVFN_I2C5:
  22                 return 5;
  23         }
  24         return -1;
  25 }
  26
  27 int dw_i2c_soc_bus_to_devfn(unsigned int bus)
  28 {
  29         switch (bus) {
  30         case 0:
  31                 return PCH_DEVFN_I2C0;
  32         case 1:
  33                 return PCH_DEVFN_I2C1;
  34         case 2:
  35                 return PCH_DEVFN_I2C2;
  36         case 3:
  37                 return PCH_DEVFN_I2C3;
  38         case 4:
  39                 return PCH_DEVFN_I2C4;
  40         case 5:
  41                 return PCH_DEVFN_I2C5;
  42         }
  43         return -1;
  44 }